Home / 2,289.07-3,433.61-557.68

Finding the Fourth Proportional to 2,289.07, 3,433.61 and 557.68

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Solution

The fourth proportional to 2,289.07, 3,433.61 and 557.68 is: 836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.07 : 3,433.61 = 557.68 : x
  2. Step 2: Convert to fraction form
    2,289.07/3,433.61 = 557.68/x
  3. Step 3: Cross multiply
    2,289.07x = 3,433.61 × 557.68
  4. Step 4: Simplify right side
    2,289.07x = 1,914,852.84
  5. Step 5: Solve for x
    x = 1,914,852.84/2,289.07
  6. Step 6: Final answer
    x = 836.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.